Optimal. Leaf size=129 \[ \frac {a \left (a^2+3 b^2\right ) x}{\left (a^2-b^2\right )^3}-\frac {b \left (3 a^2+b^2\right ) \log (a \cosh (c+d x)+b \sinh (c+d x))}{\left (a^2-b^2\right )^3 d}+\frac {b}{2 \left (a^2-b^2\right ) d (a+b \tanh (c+d x))^2}+\frac {2 a b}{\left (a^2-b^2\right )^2 d (a+b \tanh (c+d x))} \]
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Rubi [A]
time = 0.13, antiderivative size = 129, normalized size of antiderivative = 1.00, number of steps
used = 4, number of rules used = 4, integrand size = 12, \(\frac {\text {number of rules}}{\text {integrand size}}\) = 0.333, Rules used = {3564, 3610,
3612, 3611} \begin {gather*} \frac {2 a b}{d \left (a^2-b^2\right )^2 (a+b \tanh (c+d x))}+\frac {b}{2 d \left (a^2-b^2\right ) (a+b \tanh (c+d x))^2}-\frac {b \left (3 a^2+b^2\right ) \log (a \cosh (c+d x)+b \sinh (c+d x))}{d \left (a^2-b^2\right )^3}+\frac {a x \left (a^2+3 b^2\right )}{\left (a^2-b^2\right )^3} \end {gather*}
Antiderivative was successfully verified.
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Rule 3564
Rule 3610
Rule 3611
Rule 3612
Rubi steps
\begin {align*} \int \frac {1}{(a+b \tanh (c+d x))^3} \, dx &=\frac {b}{2 \left (a^2-b^2\right ) d (a+b \tanh (c+d x))^2}+\frac {\int \frac {a-b \tanh (c+d x)}{(a+b \tanh (c+d x))^2} \, dx}{a^2-b^2}\\ &=\frac {b}{2 \left (a^2-b^2\right ) d (a+b \tanh (c+d x))^2}+\frac {2 a b}{\left (a^2-b^2\right )^2 d (a+b \tanh (c+d x))}+\frac {\int \frac {a^2+b^2-2 a b \tanh (c+d x)}{a+b \tanh (c+d x)} \, dx}{\left (a^2-b^2\right )^2}\\ &=\frac {a \left (a^2+3 b^2\right ) x}{\left (a^2-b^2\right )^3}+\frac {b}{2 \left (a^2-b^2\right ) d (a+b \tanh (c+d x))^2}+\frac {2 a b}{\left (a^2-b^2\right )^2 d (a+b \tanh (c+d x))}-\frac {\left (i b \left (3 a^2+b^2\right )\right ) \int \frac {-i b-i a \tanh (c+d x)}{a+b \tanh (c+d x)} \, dx}{\left (a^2-b^2\right )^3}\\ &=\frac {a \left (a^2+3 b^2\right ) x}{\left (a^2-b^2\right )^3}-\frac {b \left (3 a^2+b^2\right ) \log (a \cosh (c+d x)+b \sinh (c+d x))}{\left (a^2-b^2\right )^3 d}+\frac {b}{2 \left (a^2-b^2\right ) d (a+b \tanh (c+d x))^2}+\frac {2 a b}{\left (a^2-b^2\right )^2 d (a+b \tanh (c+d x))}\\ \end {align*}
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Mathematica [A]
time = 1.69, size = 122, normalized size = 0.95 \begin {gather*} \frac {-\frac {\log (1-\tanh (c+d x))}{(a+b)^3}+\frac {\log (1+\tanh (c+d x))}{(a-b)^3}+\frac {b \left (-2 \left (3 a^2+b^2\right ) \log (a+b \tanh (c+d x))+\frac {\left (a^2-b^2\right ) \left (5 a^2-b^2+4 a b \tanh (c+d x)\right )}{(a+b \tanh (c+d x))^2}\right )}{\left (a^2-b^2\right )^3}}{2 d} \end {gather*}
Antiderivative was successfully verified.
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Maple [A]
time = 0.64, size = 130, normalized size = 1.01
method | result | size |
derivativedivides | \(\frac {\frac {\ln \left (\tanh \left (d x +c \right )+1\right )}{2 \left (a -b \right )^{3}}+\frac {b}{2 \left (a -b \right ) \left (a +b \right ) \left (a +b \tanh \left (d x +c \right )\right )^{2}}+\frac {2 a b}{\left (a +b \right )^{2} \left (a -b \right )^{2} \left (a +b \tanh \left (d x +c \right )\right )}-\frac {b \left (3 a^{2}+b^{2}\right ) \ln \left (a +b \tanh \left (d x +c \right )\right )}{\left (a +b \right )^{3} \left (a -b \right )^{3}}-\frac {\ln \left (\tanh \left (d x +c \right )-1\right )}{2 \left (a +b \right )^{3}}}{d}\) | \(130\) |
default | \(\frac {\frac {\ln \left (\tanh \left (d x +c \right )+1\right )}{2 \left (a -b \right )^{3}}+\frac {b}{2 \left (a -b \right ) \left (a +b \right ) \left (a +b \tanh \left (d x +c \right )\right )^{2}}+\frac {2 a b}{\left (a +b \right )^{2} \left (a -b \right )^{2} \left (a +b \tanh \left (d x +c \right )\right )}-\frac {b \left (3 a^{2}+b^{2}\right ) \ln \left (a +b \tanh \left (d x +c \right )\right )}{\left (a +b \right )^{3} \left (a -b \right )^{3}}-\frac {\ln \left (\tanh \left (d x +c \right )-1\right )}{2 \left (a +b \right )^{3}}}{d}\) | \(130\) |
risch | \(\frac {x}{a^{3}+3 a^{2} b +3 a \,b^{2}+b^{3}}+\frac {6 b \,a^{2} x}{a^{6}-3 a^{4} b^{2}+3 a^{2} b^{4}-b^{6}}+\frac {2 b^{3} x}{a^{6}-3 a^{4} b^{2}+3 a^{2} b^{4}-b^{6}}+\frac {6 b \,a^{2} c}{d \left (a^{6}-3 a^{4} b^{2}+3 a^{2} b^{4}-b^{6}\right )}+\frac {2 b^{3} c}{d \left (a^{6}-3 a^{4} b^{2}+3 a^{2} b^{4}-b^{6}\right )}+\frac {2 b^{2} \left (3 a^{2} {\mathrm e}^{2 d x +2 c}+2 a b \,{\mathrm e}^{2 d x +2 c}-b^{2} {\mathrm e}^{2 d x +2 c}+3 a^{2}-3 a b \right )}{\left (a -b \right )^{2} d \left (a^{3}+3 a^{2} b +3 a \,b^{2}+b^{3}\right ) \left (a \,{\mathrm e}^{2 d x +2 c}+b \,{\mathrm e}^{2 d x +2 c}+a -b \right )^{2}}-\frac {3 b \ln \left ({\mathrm e}^{2 d x +2 c}+\frac {a -b}{a +b}\right ) a^{2}}{d \left (a^{6}-3 a^{4} b^{2}+3 a^{2} b^{4}-b^{6}\right )}-\frac {b^{3} \ln \left ({\mathrm e}^{2 d x +2 c}+\frac {a -b}{a +b}\right )}{d \left (a^{6}-3 a^{4} b^{2}+3 a^{2} b^{4}-b^{6}\right )}\) | \(396\) |
Verification of antiderivative is not currently implemented for this CAS.
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Maxima [B] Leaf count of result is larger than twice the leaf count of optimal. 325 vs.
\(2 (127) = 254\).
time = 0.30, size = 325, normalized size = 2.52 \begin {gather*} -\frac {{\left (3 \, a^{2} b + b^{3}\right )} \log \left (-{\left (a - b\right )} e^{\left (-2 \, d x - 2 \, c\right )} - a - b\right )}{{\left (a^{6} - 3 \, a^{4} b^{2} + 3 \, a^{2} b^{4} - b^{6}\right )} d} - \frac {2 \, {\left (3 \, a^{2} b^{2} + 3 \, a b^{3} + {\left (3 \, a^{2} b^{2} - 2 \, a b^{3} - b^{4}\right )} e^{\left (-2 \, d x - 2 \, c\right )}\right )}}{{\left (a^{7} + a^{6} b - 3 \, a^{5} b^{2} - 3 \, a^{4} b^{3} + 3 \, a^{3} b^{4} + 3 \, a^{2} b^{5} - a b^{6} - b^{7} + 2 \, {\left (a^{7} - a^{6} b - 3 \, a^{5} b^{2} + 3 \, a^{4} b^{3} + 3 \, a^{3} b^{4} - 3 \, a^{2} b^{5} - a b^{6} + b^{7}\right )} e^{\left (-2 \, d x - 2 \, c\right )} + {\left (a^{7} - 3 \, a^{6} b + a^{5} b^{2} + 5 \, a^{4} b^{3} - 5 \, a^{3} b^{4} - a^{2} b^{5} + 3 \, a b^{6} - b^{7}\right )} e^{\left (-4 \, d x - 4 \, c\right )}\right )} d} + \frac {d x + c}{{\left (a^{3} + 3 \, a^{2} b + 3 \, a b^{2} + b^{3}\right )} d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Fricas [B] Leaf count of result is larger than twice the leaf count of optimal. 1427 vs.
\(2 (127) = 254\).
time = 0.39, size = 1427, normalized size = 11.06 \begin {gather*} \frac {{\left (a^{5} + 5 \, a^{4} b + 10 \, a^{3} b^{2} + 10 \, a^{2} b^{3} + 5 \, a b^{4} + b^{5}\right )} d x \cosh \left (d x + c\right )^{4} + 4 \, {\left (a^{5} + 5 \, a^{4} b + 10 \, a^{3} b^{2} + 10 \, a^{2} b^{3} + 5 \, a b^{4} + b^{5}\right )} d x \cosh \left (d x + c\right ) \sinh \left (d x + c\right )^{3} + {\left (a^{5} + 5 \, a^{4} b + 10 \, a^{3} b^{2} + 10 \, a^{2} b^{3} + 5 \, a b^{4} + b^{5}\right )} d x \sinh \left (d x + c\right )^{4} + 6 \, a^{3} b^{2} - 12 \, a^{2} b^{3} + 6 \, a b^{4} + {\left (a^{5} + a^{4} b - 2 \, a^{3} b^{2} - 2 \, a^{2} b^{3} + a b^{4} + b^{5}\right )} d x + 2 \, {\left (3 \, a^{3} b^{2} - a^{2} b^{3} - 3 \, a b^{4} + b^{5} + {\left (a^{5} + 3 \, a^{4} b + 2 \, a^{3} b^{2} - 2 \, a^{2} b^{3} - 3 \, a b^{4} - b^{5}\right )} d x\right )} \cosh \left (d x + c\right )^{2} + 2 \, {\left (3 \, a^{3} b^{2} - a^{2} b^{3} - 3 \, a b^{4} + b^{5} + 3 \, {\left (a^{5} + 5 \, a^{4} b + 10 \, a^{3} b^{2} + 10 \, a^{2} b^{3} + 5 \, a b^{4} + b^{5}\right )} d x \cosh \left (d x + c\right )^{2} + {\left (a^{5} + 3 \, a^{4} b + 2 \, a^{3} b^{2} - 2 \, a^{2} b^{3} - 3 \, a b^{4} - b^{5}\right )} d x\right )} \sinh \left (d x + c\right )^{2} - {\left (3 \, a^{4} b - 6 \, a^{3} b^{2} + 4 \, a^{2} b^{3} - 2 \, a b^{4} + b^{5} + {\left (3 \, a^{4} b + 6 \, a^{3} b^{2} + 4 \, a^{2} b^{3} + 2 \, a b^{4} + b^{5}\right )} \cosh \left (d x + c\right )^{4} + 4 \, {\left (3 \, a^{4} b + 6 \, a^{3} b^{2} + 4 \, a^{2} b^{3} + 2 \, a b^{4} + b^{5}\right )} \cosh \left (d x + c\right ) \sinh \left (d x + c\right )^{3} + {\left (3 \, a^{4} b + 6 \, a^{3} b^{2} + 4 \, a^{2} b^{3} + 2 \, a b^{4} + b^{5}\right )} \sinh \left (d x + c\right )^{4} + 2 \, {\left (3 \, a^{4} b - 2 \, a^{2} b^{3} - b^{5}\right )} \cosh \left (d x + c\right )^{2} + 2 \, {\left (3 \, a^{4} b - 2 \, a^{2} b^{3} - b^{5} + 3 \, {\left (3 \, a^{4} b + 6 \, a^{3} b^{2} + 4 \, a^{2} b^{3} + 2 \, a b^{4} + b^{5}\right )} \cosh \left (d x + c\right )^{2}\right )} \sinh \left (d x + c\right )^{2} + 4 \, {\left ({\left (3 \, a^{4} b + 6 \, a^{3} b^{2} + 4 \, a^{2} b^{3} + 2 \, a b^{4} + b^{5}\right )} \cosh \left (d x + c\right )^{3} + {\left (3 \, a^{4} b - 2 \, a^{2} b^{3} - b^{5}\right )} \cosh \left (d x + c\right )\right )} \sinh \left (d x + c\right )\right )} \log \left (\frac {2 \, {\left (a \cosh \left (d x + c\right ) + b \sinh \left (d x + c\right )\right )}}{\cosh \left (d x + c\right ) - \sinh \left (d x + c\right )}\right ) + 4 \, {\left ({\left (a^{5} + 5 \, a^{4} b + 10 \, a^{3} b^{2} + 10 \, a^{2} b^{3} + 5 \, a b^{4} + b^{5}\right )} d x \cosh \left (d x + c\right )^{3} + {\left (3 \, a^{3} b^{2} - a^{2} b^{3} - 3 \, a b^{4} + b^{5} + {\left (a^{5} + 3 \, a^{4} b + 2 \, a^{3} b^{2} - 2 \, a^{2} b^{3} - 3 \, a b^{4} - b^{5}\right )} d x\right )} \cosh \left (d x + c\right )\right )} \sinh \left (d x + c\right )}{{\left (a^{8} + 2 \, a^{7} b - 2 \, a^{6} b^{2} - 6 \, a^{5} b^{3} + 6 \, a^{3} b^{5} + 2 \, a^{2} b^{6} - 2 \, a b^{7} - b^{8}\right )} d \cosh \left (d x + c\right )^{4} + 4 \, {\left (a^{8} + 2 \, a^{7} b - 2 \, a^{6} b^{2} - 6 \, a^{5} b^{3} + 6 \, a^{3} b^{5} + 2 \, a^{2} b^{6} - 2 \, a b^{7} - b^{8}\right )} d \cosh \left (d x + c\right ) \sinh \left (d x + c\right )^{3} + {\left (a^{8} + 2 \, a^{7} b - 2 \, a^{6} b^{2} - 6 \, a^{5} b^{3} + 6 \, a^{3} b^{5} + 2 \, a^{2} b^{6} - 2 \, a b^{7} - b^{8}\right )} d \sinh \left (d x + c\right )^{4} + 2 \, {\left (a^{8} - 4 \, a^{6} b^{2} + 6 \, a^{4} b^{4} - 4 \, a^{2} b^{6} + b^{8}\right )} d \cosh \left (d x + c\right )^{2} + 2 \, {\left (3 \, {\left (a^{8} + 2 \, a^{7} b - 2 \, a^{6} b^{2} - 6 \, a^{5} b^{3} + 6 \, a^{3} b^{5} + 2 \, a^{2} b^{6} - 2 \, a b^{7} - b^{8}\right )} d \cosh \left (d x + c\right )^{2} + {\left (a^{8} - 4 \, a^{6} b^{2} + 6 \, a^{4} b^{4} - 4 \, a^{2} b^{6} + b^{8}\right )} d\right )} \sinh \left (d x + c\right )^{2} + {\left (a^{8} - 2 \, a^{7} b - 2 \, a^{6} b^{2} + 6 \, a^{5} b^{3} - 6 \, a^{3} b^{5} + 2 \, a^{2} b^{6} + 2 \, a b^{7} - b^{8}\right )} d + 4 \, {\left ({\left (a^{8} + 2 \, a^{7} b - 2 \, a^{6} b^{2} - 6 \, a^{5} b^{3} + 6 \, a^{3} b^{5} + 2 \, a^{2} b^{6} - 2 \, a b^{7} - b^{8}\right )} d \cosh \left (d x + c\right )^{3} + {\left (a^{8} - 4 \, a^{6} b^{2} + 6 \, a^{4} b^{4} - 4 \, a^{2} b^{6} + b^{8}\right )} d \cosh \left (d x + c\right )\right )} \sinh \left (d x + c\right )} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Sympy [B] Leaf count of result is larger than twice the leaf count of optimal. 16657 vs.
\(2 (107) = 214\).
time = 82.40, size = 16657, normalized size = 129.12 \begin {gather*} \text {Too large to display} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Giac [A]
time = 0.42, size = 205, normalized size = 1.59 \begin {gather*} -\frac {\frac {{\left (3 \, a^{2} b + b^{3}\right )} \log \left ({\left | -a e^{\left (2 \, d x + 2 \, c\right )} - b e^{\left (2 \, d x + 2 \, c\right )} - a + b \right |}\right )}{a^{6} - 3 \, a^{4} b^{2} + 3 \, a^{2} b^{4} - b^{6}} - \frac {d x + c}{a^{3} - 3 \, a^{2} b + 3 \, a b^{2} - b^{3}} - \frac {2 \, {\left ({\left (3 \, a^{2} b^{2} - 4 \, a b^{3} + b^{4}\right )} e^{\left (2 \, d x + 2 \, c\right )} + \frac {3 \, {\left (a^{3} b^{2} - 2 \, a^{2} b^{3} + a b^{4}\right )}}{a + b}\right )}}{{\left (a e^{\left (2 \, d x + 2 \, c\right )} + b e^{\left (2 \, d x + 2 \, c\right )} + a - b\right )}^{2} {\left (a + b\right )}^{2} {\left (a - b\right )}^{3}}}{d} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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Mupad [B]
time = 2.11, size = 304, normalized size = 2.36 \begin {gather*} \frac {\mathrm {tanh}\left (c+d\,x\right )\,\left (\frac {1}{a\,d}-\frac {a^4+a^2\,b^2}{a\,d\,\left (a^4-2\,a^2\,b^2+b^4\right )}\right )+\frac {a^2\,x}{\left (a+b\right )\,\left (a^2+2\,a\,b+b^2\right )}+\frac {b^2\,x\,{\mathrm {tanh}\left (c+d\,x\right )}^2}{a^3+3\,a^2\,b+3\,a\,b^2+b^3}+\frac {{\mathrm {tanh}\left (c+d\,x\right )}^2\,\left (\frac {b^5}{2}-\frac {5\,a^2\,b^3}{2}\right )}{a^2\,d\,\left (a^4-2\,a^2\,b^2+b^4\right )}+\frac {2\,a\,b\,x\,\mathrm {tanh}\left (c+d\,x\right )}{a^3+3\,a^2\,b+3\,a\,b^2+b^3}}{a^2+2\,a\,b\,\mathrm {tanh}\left (c+d\,x\right )+b^2\,{\mathrm {tanh}\left (c+d\,x\right )}^2}-\frac {\ln \left (a+b\,\mathrm {tanh}\left (c+d\,x\right )\right )\,\left (3\,a^2\,b+b^3\right )}{d\,\left (a^6-3\,a^4\,b^2+3\,a^2\,b^4-b^6\right )}+\frac {\ln \left (\mathrm {tanh}\left (c+d\,x\right )+1\right )\,\left (3\,a^2\,b+b^3\right )}{d\,{\left (a^2-b^2\right )}^3} \end {gather*}
Verification of antiderivative is not currently implemented for this CAS.
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